FVXX21 KNES 270438 VA ADVISORY DTG: 20210127/0438Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/119 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 27/0426Z OBS VA CLD: SFC/FL190 N1915 W09839 - N1915 W09828 - N1901 W09836 - N1902 W09838 - N1915 W09839 MOV N 10KT FCST VA CLD +6HR: 27/1030Z SFC/FL190 N1925 W09843 - N1924 W09827 - N1900 W09836 - N1901 W09838 - N1925 W09843 FCST VA CLD +12HR: 27/1630Z NO VA EXP FCST VA CLD +18HR: 27/2230Z NO VA EXP RMK: VA OBS MOV NNE EXT UP TO 15 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS AND VOLCAT ALERT. LTLCG EXP IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210127/1045Z